Notes
Included in this class are such items as transmitters, receivers, mutliplexers, demultiplexers, modulators, demodulators, repeaters, attenuators, filters, integrated optical circuits, and the like, used in fiber optic systems.

Possible NAICS Codes
334419 – Other Electronic Component Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
334290 – Other Communications Equipment Manufacturing
334111 – Electronic Computer Manufacturing
541519 – Other Computer Related Services
333310 – Commercial and Service Industry Machinery Manufacturing
334210 – Telephone Apparatus Manufacturing
335921 – Fiber Optic Cable Manufacturing
335910 – Battery Manufacturing